



🔥 Seal the deal with J-B Weld—where strength meets heat resistance!
J-B Weld 31314 High Temperature RTV Silicone Gasket Maker is a professional-grade, red RTV silicone sealant designed to withstand continuous temperatures up to 550ºF and intermittent spikes to 650ºF. Its moisture-cure formula creates a waterproof, crack-resistant seal ideal for automotive and industrial applications. Trusted for over 40 years, this 3 oz. tube delivers a durable, sensor-safe bond that’s perfect for DIY enthusiasts and pros alike.









| Manufacturer | JBWeld |
| Brand | J-B Weld |
| Model | 31314 |
| Product Dimensions | 5 x 4 x 16 cm; 90 g |
| Item model number | 31314 |
| Exterior | Painted |
| Manufacturer part number | 31314 |
| Special Features | Crack Resistant, Strong, Waterproof |
| Item Weight | 90 g |
| Viscosity | High |
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